Scientists Complete Schrödinger's Color Theory Over 100 Years Later

In the 1920s, Schrödinger used the Riemannian model of color perception to define the perceptual attributes of hue, lightness ...

Decades-old problem in classical geometry solved: First compact pair of bonnets found

For over 150 years, a rule of thumb dating back to the French mathematician Pierre Ossian Bonnet has been accepted in surface ...